Matilda de Braose was the wife of Rhys Mechyll

Rhys Mechyll

Rhys Mechyll was a Welsh prince of the House of Dinefwr, ruler of part of the kingdom of Deheubarth in southern Wales between 1234 to 1244...

, son of Rhys Gryg

Rhys Gryg

Rhys Gryg , real name Rhys ap Rhys, also known as Rhys Fychan was a Welsh Prince who ruled part of the Kingdom of Deheubarth.- Lineage :...

 and grandson of the Lord Rhys

Rhys ap Gruffydd

Rhys ap Gruffydd or ap Gruffudd was the ruler of the kingdom of Deheubarth in south Wales. He is commonly known as The Lord Rhys, in Welsh Yr Arglwydd Rhys, but this title may not have been used in his lifetime...

, Prince of Deheubarth.

Rhys Mechyll died in 1244 and some time after this Matilda placed the castle of Carreg Cennen

Carreg Cennen

Castell Carreg Cennen is a castle near the River Cennen , in the village of Trapp, four miles south of Llandeilo in Carmarthenshire, Wales. The castle's location has been described as spectacular, due to its position above a limestone precipice.- Description :Carreg Cennen Castle consists of a...

in the hands of the Normans.

A Welsh chronicle, the Brut y Tywysogyon, records under the year 1248: "Rhys Fychan ap Rhys Mechyll regained the castle of Carreg Cennen, which his mother had treacherously placed in the power of the French, out of enmity for her son."